test/tools/javac/processing/environment/round/TestElementsAnnotatedWith.java

Mon, 01 Jul 2013 11:58:45 -0700

author
darcy
date
Mon, 01 Jul 2013 11:58:45 -0700
changeset 1876
1908e86ee49a
parent 1466
b52a38d4536c
child 2227
998b10c43157
permissions
-rw-r--r--

7162089: Add support for repeating annotations to javax.annotation.processing
Reviewed-by: abuckley, jjg, jfranck

duke@1 1 /*
darcy@699 2 * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
duke@1 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@1 4 *
duke@1 5 * This code is free software; you can redistribute it and/or modify it
duke@1 6 * under the terms of the GNU General Public License version 2 only, as
duke@1 7 * published by the Free Software Foundation.
duke@1 8 *
duke@1 9 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@1 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@1 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@1 12 * version 2 for more details (a copy is included in the LICENSE file that
duke@1 13 * accompanied this code).
duke@1 14 *
duke@1 15 * You should have received a copy of the GNU General Public License version
duke@1 16 * 2 along with this work; if not, write to the Free Software Foundation,
duke@1 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@1 18 *
ohair@554 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@554 20 * or visit www.oracle.com if you need additional information or have any
ohair@554 21 * questions.
duke@1 22 */
duke@1 23
duke@1 24 /*
duke@1 25 * @test
darcy@453 26 * @bug 6397298 6400986 6425592 6449798 6453386 6508401 6498938 6911854
duke@1 27 * @summary Tests that getElementsAnnotatedWith works properly.
duke@1 28 * @author Joseph D. Darcy
darcy@1466 29 * @library /tools/javac/lib
darcy@699 30 * @build JavacTestingAbstractProcessor
duke@1 31 * @compile TestElementsAnnotatedWith.java
duke@1 32 * @compile InheritedAnnotation.java
darcy@1876 33 * @compile TpAnno.java
duke@1 34 * @compile -processor TestElementsAnnotatedWith -proc:only SurfaceAnnotations.java
duke@1 35 * @compile -processor TestElementsAnnotatedWith -proc:only BuriedAnnotations.java
duke@1 36 * @compile -processor TestElementsAnnotatedWith -proc:only Part1.java Part2.java
darcy@232 37 * @compile -processor TestElementsAnnotatedWith -proc:only C2.java
darcy@232 38 * @compile -processor TestElementsAnnotatedWith -proc:only Foo.java
darcy@1876 39 * @compile -processor TestElementsAnnotatedWith -proc:only TypeParameterAnnotations.java
darcy@453 40 * @compile Foo.java
darcy@453 41 * @compile/process -processor TestElementsAnnotatedWith -proc:only Foo
duke@1 42 */
duke@1 43
duke@1 44 import java.lang.annotation.Annotation;
darcy@232 45 import java.io.*;
duke@1 46 import java.util.Collections;
duke@1 47 import java.util.Set;
duke@1 48 import java.util.HashSet;
darcy@232 49 import java.util.List;
darcy@232 50 import java.util.ArrayList;
duke@1 51 import java.util.Arrays;
duke@1 52 import javax.annotation.processing.*;
darcy@232 53 import javax.tools.*;
duke@1 54 import javax.lang.model.SourceVersion;
duke@1 55 import javax.lang.model.element.*;
duke@1 56 import javax.lang.model.util.*;
duke@1 57 import static javax.lang.model.util.ElementFilter.*;
duke@1 58
duke@1 59 /**
duke@1 60 * This processor verifies that the information returned by
duke@1 61 * getElementsAnnotatedWith is consistent with the expected results
duke@1 62 * stored in an AnnotatedElementInfo annotation.
duke@1 63 */
duke@1 64 @AnnotatedElementInfo(annotationName="java.lang.SuppressWarnings", expectedSize=0, names={})
darcy@699 65 public class TestElementsAnnotatedWith extends JavacTestingAbstractProcessor {
duke@1 66
duke@1 67 public boolean process(Set<? extends TypeElement> annotations,
duke@1 68 RoundEnvironment roundEnvironment) {
duke@1 69 TypeElement annotatedElementInfoElement =
darcy@699 70 elements.getTypeElement("AnnotatedElementInfo");
duke@1 71 Set<? extends Element> resultsMeta = Collections.emptySet();
duke@1 72 Set<? extends Element> resultsBase = Collections.emptySet();
duke@1 73
duke@1 74 if (!roundEnvironment.processingOver()) {
duke@1 75 testNonAnnotations(roundEnvironment);
duke@1 76
duke@1 77 // Verify AnnotatedElementInfo is present on the first
duke@1 78 // specified type.
duke@1 79
duke@1 80 TypeElement firstType = typesIn(roundEnvironment.getRootElements()).iterator().next();
duke@1 81
duke@1 82 AnnotatedElementInfo annotatedElementInfo = firstType.getAnnotation(AnnotatedElementInfo.class);
duke@1 83
duke@1 84 boolean failed = false;
duke@1 85
duke@1 86 if (annotatedElementInfo == null)
duke@1 87 throw new IllegalArgumentException("Missing AnnotatedElementInfo annotation on " +
duke@1 88 firstType);
duke@1 89 else {
duke@1 90 // Verify that the annotation information is as
duke@1 91 // expected.
duke@1 92
mcimadamore@536 93 Set<String> expectedNames = new HashSet<String>(Arrays.asList(annotatedElementInfo.names()));
duke@1 94
duke@1 95 resultsMeta =
duke@1 96 roundEnvironment.
darcy@699 97 getElementsAnnotatedWith(elements.getTypeElement(annotatedElementInfo.annotationName()));
duke@1 98
duke@1 99 System.err.println("Results: " + resultsMeta);
duke@1 100
duke@1 101 if (resultsMeta.size() != annotatedElementInfo.expectedSize()) {
duke@1 102 failed = true;
duke@1 103 System.err.printf("Bad number of elements; expected %d, got %d%n",
duke@1 104 annotatedElementInfo.expectedSize(), resultsMeta.size());
duke@1 105 } else {
duke@1 106 for(Element element : resultsMeta) {
duke@1 107 String simpleName = element.getSimpleName().toString();
duke@1 108 if (!expectedNames.contains(simpleName) ) {
duke@1 109 failed = true;
duke@1 110 System.err.println("Name ``" + simpleName + "'' not expected.");
duke@1 111 }
duke@1 112 }
duke@1 113 }
duke@1 114 }
duke@1 115
duke@1 116 resultsBase = computeResultsBase(roundEnvironment, annotatedElementInfo.annotationName());
duke@1 117
duke@1 118 if (!resultsMeta.equals(resultsBase)) {
duke@1 119 failed = true;
duke@1 120 System.err.println("Base and Meta sets unequal;\n meta: " + resultsMeta +
duke@1 121 "\nbase: " + resultsBase);
duke@1 122 }
duke@1 123
duke@1 124 if (failed) {
duke@1 125 System.err.println("AnnotatedElementInfo: " + annotatedElementInfo);
duke@1 126 throw new RuntimeException();
duke@1 127 }
duke@1 128 } else {
duke@1 129 // If processing is over without an error, the specified
duke@1 130 // elements should be empty so an empty set should be returned.
duke@1 131 resultsMeta = roundEnvironment.getElementsAnnotatedWith(annotatedElementInfoElement);
duke@1 132 resultsBase = roundEnvironment.getElementsAnnotatedWith(AnnotatedElementInfo.class);
duke@1 133 if (!resultsMeta.isEmpty())
duke@1 134 throw new RuntimeException("Nonempty resultsMeta: " + resultsMeta);
duke@1 135 if (!resultsBase.isEmpty())
duke@1 136 throw new RuntimeException("Nonempty resultsBase: " + resultsBase);
duke@1 137
duke@1 138 }
duke@1 139 return true;
duke@1 140 }
duke@1 141
duke@1 142 private Set<? extends Element> computeResultsBase(RoundEnvironment roundEnvironment, String name) {
duke@1 143 try {
duke@1 144 return roundEnvironment.
duke@1 145 getElementsAnnotatedWith(Class.forName(name).asSubclass(Annotation.class));
duke@1 146 } catch(ClassNotFoundException cnfe) {
duke@1 147 throw new RuntimeException(cnfe);
duke@1 148 }
duke@1 149 }
duke@1 150
duke@1 151 /**
duke@1 152 * Verify non-annotation types result in
duke@1 153 * IllegalArgumentExceptions.
duke@1 154 */
duke@1 155 private void testNonAnnotations(RoundEnvironment roundEnvironment) {
duke@1 156 try {
duke@1 157 Set<? extends Element> elements = roundEnvironment.getElementsAnnotatedWith((Class)Object.class );
duke@1 158 throw new RuntimeException("Illegal argument exception not thrown");
duke@1 159 } catch(IllegalArgumentException iae) {}
duke@1 160
duke@1 161 try {
darcy@453 162 Set<? extends Element> elements =
darcy@453 163 roundEnvironment.getElementsAnnotatedWith(processingEnv.
darcy@453 164 getElementUtils().
darcy@453 165 getTypeElement("java.lang.Object") );
duke@1 166 throw new RuntimeException("Illegal argument exception not thrown");
duke@1 167 } catch(IllegalArgumentException iae) {}
duke@1 168 }
duke@1 169 }

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